If there were no examinations, we should have_____at school.
---The two pairs of shoes are ____ the same size.---But they are different ____ color.
After five hous’ drive, they reached ____ they thought was the place they had been dreaming of.
You can hardly imagine the difficulty the woman had ____ her children.
Barack Obama delivered a speech to 500 local youths during his visit to China, many of ____ from Fudan University and Tongji University.
---What’s your impression of the Great Wall?---Wonderful! Once ____ , it can never be forgotten.